package com.zhai.netty.book.chapter04.demoin;

import org.apache.log4j.Logger;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

public class TimeClientHandler041 extends ChannelHandlerAdapter{
	
	private static final Logger log = Logger.getLogger(TimeClientHandler041.class.getName());
	
	private final ByteBuf firstMessage;
	
	public TimeClientHandler041() {
		byte[] req = "你好啊，舞蹈服".getBytes();
		firstMessage = Unpooled.buffer(req.length);
		firstMessage.writeBytes(req);
	}
	@Override
	public void channelActive(ChannelHandlerContext ctx) throws Exception {
		ctx.writeAndFlush(firstMessage);
	}
	
	@Override
	public void channelRead(ChannelHandlerContext ctx, Object msg)
			throws Exception {
		ByteBuf buf = (ByteBuf)msg;
		byte[] req = new byte[buf.readableBytes()];
		buf.readBytes(req);
		String body = new String(req, "UTF-8");
		System.out.println("客户端收到 " + body);
 	}
	
	
	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
			throws Exception {
		System.err.println("客户端捕捉异常");
		log.warn("客户端捕捉异常001");
		super.exceptionCaught(ctx, cause);
	}
}
